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Mars2501 [29]
3 years ago
9

Which formula represents a polar molecule? (1) H2 (3) CO2 (2) H2O (4) CCl4

Chemistry
1 answer:
gulaghasi [49]3 years ago
4 0

Answer:

Explanation:

2

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The pH value of 0.1 mol dm-3 of acid U is 1. Which statement is true about acid U?
lesya [120]

Answer:

the degree of ionization in water is high

Explanation:

The term pH is defined as the negative logarithm of hydrogen ion concentration.

Hence;

pH = -log[H^+]

The pH scale shows the degree of acidity or alkalinity of a solution. A solution of pH 1 is a strong acid. A strong acid dissociates completely in solution.

Hence, acid U has a high degree of ionization in water.

3 0
3 years ago
Khadijah had an emergency car repair bill and transferred $715.98 from her savings account to her checking account. Before the t
koban [17]

Answer:

$1,194.59 - Checking

$2,381.47 - Savings

Explanation:

$478.61 + $715.98 = $1,194.59

$3,097.45 - $715.98 = $2,381.47

4 0
3 years ago
a seismic station in gainesville florida recorded the arrival of the first p wave at 1:30:00 and the first s wave from the same
kvasek [131]

Answer:

4 hours and 30 minutes

Explanation: because first wave was 1:30:00 and the second is 1:34:30

1:30:00 goes into 1:34:30 4 hours and 30 minutes.

6 0
2 years ago
ATOMS , help me solve this , and thx for your help
lys-0071 [83]

Answer:

8?

im not sure

Explanation:

4 0
3 years ago
Read 2 more answers
Cl(g) + H2----&gt; HCl(g) +H<br> Do interaction can occur at room temperature
Kaylis [27]
This is not the proper equation, the equation should be:
Cl2 + H2 ----> 2HCl
This does not happen at room temperature and needs a source of activation energy such a spark.
4 0
3 years ago
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